I was sent this via LinkedIn as well. I would not do this more than once a week four weeks straight. But it seems like a good way to get off a plateau. (See earlier post on plateaus by searching for it.) See http://www.linkedin.com/news?actionBar=&sik=1243962836233&aIdx=0&articleID=36576529.
Check out PocketGuide to Fitness at www.louizapatsis.com, www.authorhouse.com, www.amazon.com and www.bn.com.
Disclaimer: I am a not a medical professional and have not done or supervised a complex workout.